SUSE: Security Advisory (SUSE-SU-2021:1028-1)

# SPDX-FileCopyrightText: 2021 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.1.4.2021.1028.1");
  script_cve_id("CVE-2021-28687", "CVE-2021-3308");
  script_tag(name:"creation_date", value:"2021-06-09 14:56:40 +0000 (Wed, 09 Jun 2021)");
  script_version("2024-02-02T14:37:50+0000");
  script_tag(name:"last_modification", value:"2024-02-02 14:37:50 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"4.9");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:N/I:N/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-02-04 14:51:55 +0000 (Thu, 04 Feb 2021)");

  script_name("SUSE: Security Advisory (SUSE-SU-2021:1028-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 Greenbone AG");
  script_family("SuSE Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/suse_sles", "ssh/login/rpms", re:"ssh/login/release=(SLES15\.0SP2)");

  script_xref(name:"Advisory-ID", value:"SUSE-SU-2021:1028-1");
  script_xref(name:"URL", value:"https://www.suse.com/support/update/announcement/2021/suse-su-20211028-1/");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'xen' package(s) announced via the SUSE-SU-2021:1028-1 advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"This update for xen fixes the following issues:

CVE-2021-3308: VUL-0: xen: IRQ vector leak on x86 (bsc#1181254, XSA-360)

CVE-2021-28687: HVM soft-reset crashes toolstack (bsc#1183072, XSA-368)

L3: conring size for XEN HV's with huge memory to small. Inital Xen logs
 cut (bsc#1177204)

L3: XEN domU crashed on resume when using the xl unpause command
 (bsc#1182576)

L3: xen: no needsreboot flag set (bsc#1180690)

kdump of HVM fails, soft-reset not handled by libxl (bsc#1179148)

openQA job causes libvirtd to dump core when running kdump inside domain
 (bsc#1181989)

Upstream bug fixes (bsc#1027519)");

  script_tag(name:"affected", value:"'xen' package(s) on SUSE Linux Enterprise Module for Basesystem 15-SP2, SUSE Linux Enterprise Module for Server Applications 15-SP2, SUSE MicroOS 5.0.");

  script_tag(name:"solution", value:"Please install the updated package(s).");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"package");

  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-rpm.inc");

release = rpm_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "SLES15.0SP2") {

  if(!isnull(res = isrpmvuln(pkg:"xen-debugsource", rpm:"xen-debugsource~4.13.2_08~3.25.3", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs", rpm:"xen-libs~4.13.2_08~3.25.3", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-libs-debuginfo", rpm:"xen-libs-debuginfo~4.13.2_08~3.25.3", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU", rpm:"xen-tools-domU~4.13.2_08~3.25.3", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-domU-debuginfo", rpm:"xen-tools-domU-debuginfo~4.13.2_08~3.25.3", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen", rpm:"xen~4.13.2_08~3.25.3", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-devel", rpm:"xen-devel~4.13.2_08~3.25.3", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools", rpm:"xen-tools~4.13.2_08~3.25.3", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-debuginfo", rpm:"xen-tools-debuginfo~4.13.2_08~3.25.3", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"xen-tools-xendomains-wait-disk", rpm:"xen-tools-xendomains-wait-disk~4.13.2_08~3.25.3", rls:"SLES15.0SP2"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);